KR20240130709A - 레이더 역반사 장치에 대한 전자기 흡수재 적용 - Google Patents

레이더 역반사 장치에 대한 전자기 흡수재 적용 Download PDF

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Publication number
KR20240130709A
KR20240130709A KR1020247022635A KR20247022635A KR20240130709A KR 20240130709 A KR20240130709 A KR 20240130709A KR 1020247022635 A KR1020247022635 A KR 1020247022635A KR 20247022635 A KR20247022635 A KR 20247022635A KR 20240130709 A KR20240130709 A KR 20240130709A
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KR
South Korea
Prior art keywords
electromagnetic
incident
wave
antenna array
radar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
KR1020247022635A
Other languages
English (en)
Korean (ko)
Inventor
재원 김
레이먼드 피 존스턴
존 제이 설리반
숀 티 브로볼드
매튜 씨 메시나
찰스 디 호일
케네스 엘 스미스
디판카르 고쉬
종후아 루
로버트 에이 사이나티
Original Assignee
쓰리엠 이노베이티브 프로퍼티즈 캄파니
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 쓰리엠 이노베이티브 프로퍼티즈 캄파니 filed Critical 쓰리엠 이노베이티브 프로퍼티즈 캄파니
Publication of KR20240130709A publication Critical patent/KR20240130709A/ko
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H01Q3/2647—Retrodirective arrays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/528—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the re-radiation of a support structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/004—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems using non-directional dissipative particles, e.g. ferrite powders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0037—Particular feeding systems linear waveguide fed arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
KR1020247022635A 2021-12-30 2022-12-29 레이더 역반사 장치에 대한 전자기 흡수재 적용 Pending KR20240130709A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163266185P 2021-12-30 2021-12-30
US63/266,185 2021-12-30
PCT/IB2022/062884 WO2023126876A1 (en) 2021-12-30 2022-12-29 Electromagnetic absorber application to radar retroreflective devices

Publications (1)

Publication Number Publication Date
KR20240130709A true KR20240130709A (ko) 2024-08-29

Family

ID=86998328

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247022635A Pending KR20240130709A (ko) 2021-12-30 2022-12-29 레이더 역반사 장치에 대한 전자기 흡수재 적용

Country Status (5)

Country Link
US (1) US20240421477A1 (https=)
EP (1) EP4457902A4 (https=)
JP (1) JP2025501215A (https=)
KR (1) KR20240130709A (https=)
WO (1) WO2023126876A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12531338B2 (en) * 2024-06-28 2026-01-20 T-Mobile Innovations Llc Reflector array for non-line-of-sight coverage

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5583507A (en) * 1995-04-19 1996-12-10 Martin Marietta Corporation Passive identification of friend vs. foe apparatus and method
CN103001005B (zh) * 2012-10-25 2014-12-17 中兴通讯股份有限公司 降低电磁辐射比吸收率的装置及移动终端
US10074907B2 (en) * 2015-03-12 2018-09-11 Veoneer Us, Inc. Apparatus and method for mitigating multipath effects and improving absorption of an automotive radar module
US10270508B2 (en) * 2017-09-21 2019-04-23 Verizon Patent And Licensing Inc. Retro-directive metamaterial array antenna system
US11121463B2 (en) * 2018-12-14 2021-09-14 Southwest Research Institute Van Atta antenna array with patch elements and substrate integrated waveguide
CN115335487B (zh) * 2020-03-31 2024-03-08 3M创新有限公司 导热电磁吸收材料

Also Published As

Publication number Publication date
US20240421477A1 (en) 2024-12-19
EP4457902A4 (en) 2025-12-24
EP4457902A1 (en) 2024-11-06
WO2023126876A1 (en) 2023-07-06
JP2025501215A (ja) 2025-01-17

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Date Code Title Description
PA0105 International application

Patent event date: 20240705

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application